/*
 * Copyright (C) 2011 Mats Hofman <http://matshofman.nl/contact/>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package hu.uniobuda.nik.openday.rss;

import java.io.IOException;
import java.net.URL;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;

public class RssReader {
	
	public static RssFeed read(URL url) throws SAXException, IOException {
		
		try {
			SAXParserFactory factory = SAXParserFactory.newInstance();
			SAXParser parser = factory.newSAXParser();
			XMLReader reader = parser.getXMLReader();			
			RssHandler handler = new RssHandler();			
			InputSource input = new InputSource(url.openStream());				
			reader.setContentHandler(handler);
			reader.parse(input);			
			return handler.getResult();
			
		} catch (ParserConfigurationException e) {
			throw new SAXException();
		}
		
	}	
}
